针对大气气溶胶监测的迫切需要,研制完成了用于大气气溶胶和云的结构与光学特性研究的微脉冲激光雷达系统.主要介绍了该激光雷达系统的结构和主要技术参数,发射系统采用重复频率为2.5 kHz、单脉冲能量为6 μJ的二极管泵浦Nd:YAG激光器,接收系统采用20 cm口径的施密特-卡塞格林式望远镜、0.5 nm的窄带干涉滤光片及光子计数模式的光电倍增管.利用本系统对青岛地区对流层的大气气溶胶进行了观测,观测结果表明,该系统具备连续观测对流层大气气溶胶的能力,可以很好地反映气溶胶粒子的时间和空间分布特征.
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